Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

TAMMY LYNN ROSIER
NPI 1457267023
Day Training, Developmentally Disabled Services in Gillette, WY

Q: What is Tammy Rosier's NPI number?

The NPI number for Tammy Rosier is 1457267023. It was assigned to this individual provider in the NPPES registry on August 21, 2026.

Q: What is Tammy Rosier's specialty?

The primary specialty registered for this NPI is Day Training, Developmentally Disabled Services with taxonomy code 251C00000X.

Q: When was this NPI record last updated?

The NPPES record for Tammy Rosier was last updated on August 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 21, 2026

1600 PHOENIX AVE, GILLETTE, WY 82716(307) 696-3377 Get Directions Write a Review

NPPES record added: August 21, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

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About Tammy Lynn Rosier NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

TAMMY LYNN ROSIER (NPI 1457267023) is an individual day training, developmentally disabled services provider in Gillette, Wyoming and active in the NPI registry since August 2026.

NPPES Registry Identity

NPI1457267023

Entity TypeIndividualFemale

Primary Taxonomy251C00000X

Provider Legal NameTAMMY LYNN ROSIER

Location Address1600 PHOENIX AVEGillette, WY 82716-1934

Mailing Address1600 Phoenix AveGillette, WY 82716-1934 · (307) 696-3377

Phone(307) 696-3377

Sole ProprietorYes

Enumeration DateAugust 21, 2026

NPPES CertifiedAugust 21, 2026

✔ NPI 1457267023 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDay Training, Developmentally Disabled ServicesAgencies

Taxonomy Code251C00000X

Definition

These agencies are authorized to provide day habilitation services to developmentally disabled individuals who live in their homes. The function of day habilitation is to assist an individual to acquire and maintain those life skills that enable the individual to cope more effectively with the demands of independent living. Also to raise the level of the individual's physical, mental, social, and vocational functioning.

1600 PHOENIX AVE, Gillette, WY 82716

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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Tammy Rosier's NPI number?

The NPI number for Tammy Rosier is 1457267023. It was assigned to this individual provider in the NPPES registry on August 21, 2026.

Where is Tammy Rosier located?

Tammy Rosier practices at 1600 Phoenix Ave, Gillette, WY 82716. The listed phone number is (307) 696-3377.

What is Tammy Rosier's specialty?

The primary specialty registered for this NPI is Day Training, Developmentally Disabled Services with taxonomy code 251C00000X.

When was this NPI record last updated?

The NPPES record for Tammy Rosier was last updated on August 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.